Infinix Smart 20 vs Vivo X300 Ultra
The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $149 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 33/100 (a 58-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5200); the main camera is 8 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 358,608).
Profile comparison
Category scores
Infinix Smart 20
Vivo X300 Ultra
What makes Infinix Smart 20 better?
- Cheaper at launch: $149 vs $950
- Better portability (68/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Bigger battery: 7000 vs 5200 mAh
- Faster charging: 100W vs 15W
- Better main camera: 200MP vs 8MP
- Higher performance (99/100 vs 30/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 48/100)
- Better display (89/100 vs 55/100)
Comparison verdict
Comparing the Infinix Smart 20 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 58 points higher (91/100 vs 33/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 30/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 48/100). Value score: Infinix Smart 20 — 40/100, Vivo X300 Ultra — 94/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (99/100 vs 30/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (89/100 vs 55/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (85/100 vs 48/100). In the "portability" category, the Infinix Smart 20 notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
Specs comparison
| Specification | Infinix Smart 20 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultimate | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358608 | 4247433 | |
| Geekbench Single | 432 | 3639 | |
| Geekbench Multi | 1416 | 11047 | |
| Display | 6.8" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1576x720 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 8 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 700 nits | — | |
| NFC | yes | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | 167.7×78.8×7.7 mm | 163.0×76.8×8.2 mm | |
| Weight | — | 230 g | |
| Launch price | $149 | $950 |
Camera comparison
Infinix Smart 20
- Main: 8MP f/2.0
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Infinix Smart 20
- 6.8" IPS LCD
- Resolution: 1576x720
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Infinix Smart 20
- 5200 mAh
- Wired: 15W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Infinix Smart 20 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Infinix Smart 20 by 91.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $801. Infinix Smart 20 was $801 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (99/100 vs 30/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (89/100 vs 55/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart 20 (85/100 vs 48/100).
portability
In the "portability" category, the Infinix Smart 20 notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
Frequently asked questions
Which is better: the Infinix Smart 20 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Infinix Smart 20 by 58 points (91/100 vs 33/100).
What is the rating of the Infinix Smart 20 and the Vivo X300 Ultra?
The Infinix Smart 20 has a MobileRank rating of 33/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Infinix Smart 20 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Infinix Smart 20 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 30/100).
Should you choose the Infinix Smart 20 over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.